Looks like it is completely electromechanical and not IC driven.

https://www.starborneworks.com/?p=22

You basically have to ignore the internals and mount motors to the outside. Still, it's doable, as these instructions from 1984 demonstrate. Probably can make something far better today.

https://archive.org/details/color-computer-magazine-1984-04

The internals however are quite fascinating on their own and an amazing accomplishment of mechanical engineering for a toy.

Hint: Nobody knows clankers better than clankers. Ask one!